Real EMF Detector vs SmartWear Scanner
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Real EMF Detector
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Measure magnetic fields with real sensor data. Real EMF Detector turns your iPhone into a precision magnetometer using the built-in calibrated magnetic field sensor to detect and measure DC magnetic fields around you. CALIBRATED SENSOR TECHNOLOGY - Uses Core Motion calibrated magnetic field data that removes device self-interference - X, Y, Z axis breakdown showing directional field components - Total field magnitude in microtesla with continuous updates - More accurate than raw magnetometer apps that include phone hardware noise REAL-TIME DETECTOR - Large circular gauge with smooth animated needle - Color-coded safety levels: Background, Normal, Elevated, Strong, Very Strong - Instant response as you move through your environment - Configurable threshold alerts with haptic feedback LIVE GRAPH - Real-time scrolling chart built with Swift Charts - Track magnetic field changes over time as you scan - Pinch to zoom and scroll through recorded data - X, Y, Z axis overlay for detailed field analysis STUD & METAL SCANNER - Detect metal objects, pipes, and wiring behind walls - Find studs by scanning for nail and screw patterns - Audio and haptic feedback as field strength changes - Sensitivity adjustment for different scanning needs SESSION HISTORY - Record complete measurement sessions with one tap - Review past sessions with full statistics and timeline - Export session data as CSV for further analysis - Stored locally with SwiftData for fast access LEARN & UNDERSTAND - Educational guide to magnetic fields and EMF science - Understand what your readings mean in everyday context - Reference chart comparing common magnetic field sources - Safety information based on published exposure guidelines COMMON USES - Home inspection: check appliances, wiring, and electrical panels - Stud finding: locate metal fasteners behind drywall - Education: learn about magnetism and electromagnetic fields - Hobby and exploration: investigate unusual magnetic sources - Workplace assessment: identify strong field areas HONEST ABOUT LIMITATIONS Real EMF Detector measures DC magnetic fields using the iPhone magnetometer. It cannot detect RF signals, Wi-Fi, cellular (5G/4G), AC electromagnetic fields, or electric fields. For those measurements, specialized equipment is required. What it does measure, it measures well -- with calibrated data that most competing apps lack. Built with SwiftUI, Swift Charts, and Core Motion. No ads, no data collection. Terms of Use: https://emfdetector.mobilealchemy.co/terms Privacy Policy: https://emfdetector.mobilealchemy.co/privacy
SmartWear Scanner
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Detect nearby Smart Glasses, Bluetooth wearables, smart watches, earbuds and other Bluetooth devices with SmartWear Scanner. Stay aware of nearby Bluetooth activity, review detected devices and monitor changes over time through a clean and easy-to-use scanning experience. FEATURES ⢠Detect nearby Smart Glasses and Bluetooth wearables ⢠Scan nearby Bluetooth devices in seconds ⢠View device details including signal strength and estimated proximity ⢠Monitor nearby Bluetooth activity in real time ⢠Simple radar-style interface designed for quick awareness ⢠Track nearby devices over time (Premium) ⢠Clean, privacy-focused experience Free vs Premium Free ⢠Scan Nearby Bluetooth Devices ⢠View Device Details ⢠2 Free Device Tracking Sessions Premium ⢠Unlimited Device Tracking ⢠Ad-Free Experience IMPORTANT Notice SmartWear Scanner detects nearby Bluetooth devices that are actively broadcasting Bluetooth signals. It does not identify people, access personal information or determine whether a device is recording. Perfect for anyone who wants greater awareness of nearby Bluetooth devices, including Smart Glasses, Bluetooth wearables, smart watches, earbuds and other compatible devices. Support : ab.barnes2023@yahoo.com
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Verdict
The clearest difference is ads: Real EMF Detector at none against SmartWear Scanner's shown. On price, update cadence, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Real EMF Detector sells 4 in-app purchases, starting at $1.99 per 7 days and SmartWear Scanner sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Real EMF Detector ships an update fortnightly, SmartWear Scanner monthly. The most recent releases landed on September 9, 2026 and September 8, 2026 respectively.
| Parameter | Real EMF Detector | SmartWear Scanner |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly ā better | Monthly |
| Ads | No ā better | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad ā better | iPhone |
| Requires iOS | 17.0 ā better | 17.6 |
| Further details ā not scored | ||
| Size | 11 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | MOBILE ALCHEMY LTD | Khwanhathai Barnes |
In-app purchases
Real EMF Detector
- EMF Detector Pro3 Days trial$1.997 Days
- EMF Detector Pro7 Days trial$4.991 Month
- EMF Detector Pro7 Days trial$19.991 Year
- EMF Detector Pro ā Lifetime$39.99
SmartWear Scanner
- Unlock$7.99





